80450879 has 2 divisors, whose sum is σ = 80450880. Its totient is φ = 80450878.

The previous prime is 80450833. The next prime is 80450947. The reversal of 80450879 is 97805408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80450879 - 2¹⁶ = 80385343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80450819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40225439 + 40225440.

It is an arithmetic number, because the mean of its divisors is an integer number (40225440).

Almost surely, 2^80450879 is an apocalyptic number.

80450879 is a deficient number, since it is larger than the sum of its proper divisors (1).

80450879 is an equidigital number, since it uses as much as digits as its factorization.

80450879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 80450879 is about 8969.4413984373. The cubic root of 80450879 is about 431.6949131218.

The spelling of 80450879 in words is "eighty million, four hundred fifty thousand, eight hundred seventy-nine".